A surgical stapling instrument includes a body portion and a tool assembly extending from the body portion. The tool assembly includes a jaw member, and a first connector assembly disposed within the jaw member. The first connector assembly includes a first connector housing and first and second connector members extending from the first connector housing. The surgical stapling instrument further includes a cartridge assembly selective receivable within the jaw member. The cartridge assembly includes a second connector assembly configured for electrical connection with the first connector assembly. The second connector assembly includes a second connector housing and first and second contact members disposed within the second connector housing. The first and second connector members of the first connector assembly are configured to engage the respective first and second contact members of the second connector housing when the cartridge assembly is received within the jaw member of the tool assembly.